/Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraSystem.h
bool CanObtainEmitterAttribute ( const [FNiagaraVariableBase](API\Plugins\Niagara\FNiagaraVariableBase) & InVarWithUniqueNameNamespace, [FNiagaraTypeDefinition](API\Plugins\Niagara\FNiagaraTypeDefinition) & OutBoundType ) const